Window lock



FIG. 1 is a top, front, and right side perspective view of a window lock showing our new design, with the lock handle being shown rotated to a closed position;

FIG. 2 is an enlarged front and right side perspective view thereof;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged top plan view thereof;

FIG. 5 is an enlarged right side elevational view thereof; and,

FIG. 6 is an enlarged bottom plan view thereof.

The broken-line disclosure of a window or portion of a window in the views is for illustrative purposes only and forms no part of the clained design. 

The ornamental design for window lock, as shown and described. 